S
M
T
W
T
F
S
26
81°
58°
27
86°
65°
28
81°
66°
29
79°
63°
30
83°
55°
31
85°
55°
1
81°
62°
2
83°
68°
3
81°
64°
4
86°
57°
5
89°
68°
6
86°
69°
7
84°
68°
8
85°
66°
9
85°
67°
10
79°
67°
11
73°
65°
12
76°
64°
13
82°
63°
14
75°
66°
15
81°
64°
16
85°
69°
17
83°
70°
18
81°
64°
19
78°
66°
20
76°
62°
21
82°
63°
22
79°
61°
23
76°
57°
24
73°
57°
25
74°
59°
26
76°
58°
27
75°
60°
28
77°
59°
29
77°
60°
30
76°
59°
31
77°
61°
1
75°
60°
2
77°
62°
3
73°
60°
4
73°
62°
5
73°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Harrisville
Harrisville's August 2026 forecast shows daily high temperatures ranging from 73° to 82°, with overnight lows between 56° and 66°. The average high for August is 76° with an average low of 60°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Harrisville. See also: September | October | November.
